214087684 has 12 divisors (see below), whose sum is σ = 379786204. Its totient is φ = 105577344.

The previous prime is 214087639. The next prime is 214087697. The reversal of 214087684 is 486780412.

It can be written as a sum of positive squares in 2 ways, for example, as 184144900 + 29942784 = 13570^2 + 5472^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366297 + ... + 366880.

Almost surely, 2^214087684 is an apocalyptic number.

It is an amenable number.

214087684 is a deficient number, since it is larger than the sum of its proper divisors (165698520).

214087684 is a wasteful number, since it uses less digits than its factorization.

214087684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733254 (or 733252 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 214087684 is about 14631.7355088178. The cubic root of 214087684 is about 598.2240857709.

It can be divided in two parts, 21408 and 7684, that added together give a palindrome (29092).

The spelling of 214087684 in words is "two hundred fourteen million, eighty-seven thousand, six hundred eighty-four".